<?php
$data = [
    ['name'=>'laozhou','age'=>18,'city'=>'哈尔滨'],
    ['name'=>'小王','age'=>20,'city'=>'齐齐哈尔'],
    ['name'=>'小赵','age'=>30,'city'=>'牡丹江']
];
echo json_encode($data,JSON_UNESCAPED_UNICODE);
